Under a monetary policy rule for the nominal interest rate, i.e. the return on risk-free short-term nominal bonds, there may be a unique local equilibrium, but there are in general multiple global equilibria. We show that the appropriate interest rate instruments under uncertainty are...

How should monetary policy respond to changes in financial conditions? In this paper we consider a simple model where firms need internal and external funds to produce and they fail if they are not able to repay their debts. Both internal funds and firm debt are nominal assets and are...

I consider a reasonable deviation from the standard assumptions in the optimal taxation literature on public consumption and show that the results on the optimal taxes are substantially altered. In particular, `distortionary' taxes may be optimal after all. This reveals that, in contrast to the...

the problem of general vs. firm-specific human capital investments.